1 /*****************************************************************************
2 * vout_beos.cpp: beos video output display method
3 *****************************************************************************
4 * Copyright (C) 2000, 2001 VideoLAN
5 * $Id: vout_beos.cpp,v 1.56 2002/05/20 11:21:01 tcastley Exp $
7 * Authors: Jean-Marc Dressler <polux@via.ecp.fr>
8 * Samuel Hocevar <sam@zoy.org>
9 * Tony Castley <tcastley@mail.powerup.com.au>
10 * Richard Shepherd <richard@rshepherd.demon.co.uk>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
25 *****************************************************************************/
27 /*****************************************************************************
29 *****************************************************************************/
30 #include <errno.h> /* ENOMEM */
31 #include <stdlib.h> /* free() */
33 #include <string.h> /* strerror() */
34 #include <InterfaceKit.h>
35 #include <DirectWindow.h>
36 #include <Application.h>
41 #include <videolan/vlc.h>
44 #include "video_output.h"
46 #include "interface.h"
50 #include "VideoWindow.h"
51 #include "DrawingTidbits.h"
53 /*****************************************************************************
54 * vout_sys_t: BeOS video output method descriptor
55 *****************************************************************************
56 * This structure is part of the video output thread descriptor.
57 * It describes the BeOS specific properties of an output thread.
58 *****************************************************************************/
59 typedef struct vout_sys_s
61 VideoWindow * p_window;
71 /*****************************************************************************
72 * beos_GetAppWindow : retrieve a BWindow pointer from the window name
73 *****************************************************************************/
74 BWindow *beos_GetAppWindow(char *name)
79 for (index = 0 ; ; index++)
81 window = be_app->WindowAt(index);
84 if (window->LockWithTimeout(20000) == B_OK)
86 if (strcmp(window->Name(), name) == 0)
96 /****************************************************************************
97 * DrawingThread : thread that really does the drawing
98 ****************************************************************************/
99 int32 Draw(void *data)
102 p_win = (VideoWindow *) data;
104 if ( p_win->LockWithTimeout(50000) == B_OK )
109 screen = new BScreen(p_win);
110 screen-> WaitForRetrace(22000);
113 if (p_win-> mode == OVERLAY)
116 p_win-> view->SetViewOverlay(p_win-> bitmap[p_win-> i_buffer],
117 p_win-> bitmap[p_win-> i_buffer]->Bounds() ,
118 p_win-> view->Bounds(),
120 B_OVERLAY_FILTER_HORIZONTAL|B_OVERLAY_FILTER_VERTICAL|
121 B_OVERLAY_TRANSFER_CHANNEL);
122 p_win-> view->SetViewColor(key);
126 p_win-> view-> DrawBitmap( p_win-> bitmap[p_win-> i_buffer],
127 p_win-> view->Bounds() );
134 /*****************************************************************************
135 * VideoWindow constructor and destructor
136 *****************************************************************************/
137 VideoWindow::VideoWindow( int v_width, int v_height,
139 : BWindow( frame, NULL, B_TITLED_WINDOW,
140 B_NOT_CLOSABLE | B_NOT_MINIMIZABLE )
142 BView *mainView = new BView( Bounds(), "mainView",
143 B_FOLLOW_ALL, B_FULL_UPDATE_ON_RESIZE);
145 mainView->SetViewColor(kBlack);
147 /* create the view to do the display */
148 view = new VLCView( Bounds() );
149 mainView->AddChild(view);
151 /* set the VideoWindow variables */
152 teardownwindow = false;
156 /* call ScreenChanged to set vsync correctly */
158 display_mode disp_mode;
161 screen = new BScreen(this);
163 screen-> GetMode(&disp_mode);
165 (disp_mode.timing.pixel_clock * 1000)/((disp_mode.timing.h_total)*
166 (disp_mode.timing.v_total));
173 // remember current settings
174 i_width = frame.IntegerWidth();
175 i_height = frame.IntegerHeight();
176 FrameResized(frame.IntegerWidth(), frame.IntegerHeight());
178 mode = SelectDrawingMode(v_width, v_height);
182 VideoWindow::~VideoWindow()
186 teardownwindow = true;
187 wait_for_thread(fDrawThreadID, &result);
193 void VideoWindow::drawBuffer(int bufferIndex)
197 i_buffer = bufferIndex;
198 // sync to the screen if required
202 screen = new BScreen(this);
203 screen-> WaitForRetrace(22000);
208 // switch the overlay bitmap
212 view->SetViewOverlay(bitmap[i_buffer],
213 bitmap[i_buffer]->Bounds() ,
216 B_OVERLAY_FILTER_HORIZONTAL|B_OVERLAY_FILTER_VERTICAL|
217 B_OVERLAY_TRANSFER_CHANNEL);
218 view->SetViewColor(key);
223 view-> DrawBitmap(bitmap[i_buffer], view->Bounds() );
229 void VideoWindow::Zoom(BPoint origin, float width, float height )
233 is_zoomed = !is_zoomed;
234 MoveTo(winSize.left, winSize.top);
235 ResizeTo(winSize.IntegerWidth(), winSize.IntegerHeight());
236 be_app->ShowCursor();
240 is_zoomed = !is_zoomed;
242 screen = new BScreen(this);
243 BRect rect = screen->Frame();
246 ResizeTo(rect.IntegerWidth(), rect.IntegerHeight());
247 be_app->ObscureCursor();
251 void VideoWindow::FrameMoved(BPoint origin)
253 if (is_zoomed) return ;
257 void VideoWindow::FrameResized( float width, float height )
259 float out_width, out_height;
260 float out_left, out_top;
261 float width_scale = width / i_width;
262 float height_scale = height / i_height;
264 if (width_scale <= height_scale)
266 out_width = (i_width * width_scale);
267 out_height = (i_height * width_scale);
269 out_top = (height - out_height) / 2;
271 else /* if the height is proportionally smaller */
273 out_width = (i_width * height_scale);
274 out_height = (i_height * height_scale);
276 out_left = (width - out_width) /2;
278 view->MoveTo(out_left,out_top);
279 view->ResizeTo(out_width, out_height);
286 void VideoWindow::ScreenChanged(BRect frame, color_space mode)
291 screen = new BScreen(this);
292 display_mode disp_mode;
294 screen-> GetMode(&disp_mode);
296 (disp_mode.timing.pixel_clock * 1000)/((disp_mode.timing.h_total)*
297 (disp_mode.timing.v_total));
303 view->SetViewOverlay(bitmap[i_buffer],
304 bitmap[i_buffer]->Bounds() ,
307 B_OVERLAY_FILTER_HORIZONTAL|B_OVERLAY_FILTER_VERTICAL);
308 view->SetViewColor(key);
311 void VideoWindow::WindowActivated(bool active)
315 int VideoWindow::SelectDrawingMode(int width, int height)
317 int drawingMode = BITMAP;
319 int noOverlay = config_GetIntVariable( "nooverlay" );
320 for (int i = 0; i < COLOR_COUNT; i++)
322 if (noOverlay) break;
323 bitmap[0] = new BBitmap ( BRect( 0, 0, width, height ),
324 B_BITMAP_WILL_OVERLAY|B_BITMAP_RESERVE_OVERLAY_CHANNEL,
325 colspace[i].colspace);
327 if(bitmap[0] && bitmap[0]->InitCheck() == B_OK)
331 bitmap[1] = new BBitmap( BRect( 0, 0, width, height ), B_BITMAP_WILL_OVERLAY,
332 colspace[colspace_index].colspace);
333 bitmap[2] = new BBitmap( BRect( 0, 0, width, height ), B_BITMAP_WILL_OVERLAY,
334 colspace[colspace_index].colspace);
335 if ( (bitmap[2] && bitmap[2]->InitCheck() == B_OK) )
337 drawingMode = OVERLAY;
339 view->SetViewOverlay(bitmap[i_buffer],
340 bitmap[i_buffer]->Bounds() ,
343 B_OVERLAY_FILTER_HORIZONTAL|B_OVERLAY_FILTER_VERTICAL);
344 view->SetViewColor(key);
345 SetTitle(VOUT_TITLE " (Overlay)");
361 if (drawingMode == BITMAP)
364 colspace_index = DEFAULT_COL;
365 SetTitle(VOUT_TITLE " (Bitmap)");
366 bitmap[0] = new BBitmap( BRect( 0, 0, width, height ), colspace[colspace_index].colspace);
367 bitmap[1] = new BBitmap( BRect( 0, 0, width, height ), colspace[colspace_index].colspace);
368 bitmap[2] = new BBitmap( BRect( 0, 0, width, height ), colspace[colspace_index].colspace);
371 intf_Msg("Selected mode: %d, %s", colspace[colspace_index].chroma, colspace[colspace_index].name);
375 /*****************************************************************************
377 *****************************************************************************/
378 VLCView::VLCView(BRect bounds) : BView(bounds, "", B_FOLLOW_NONE,
382 SetViewColor(B_TRANSPARENT_32_BIT);
385 /*****************************************************************************
387 *****************************************************************************/
392 /*****************************************************************************
394 *****************************************************************************/
395 void VLCView::MouseDown(BPoint point)
397 BWindow *win = Window();
401 /*****************************************************************************
403 *****************************************************************************/
404 void VLCView::Draw(BRect updateRect)
406 VideoWindow *win = (VideoWindow *) Window();
407 if (win->mode == BITMAP)
408 FillRect(updateRect);
415 /*****************************************************************************
417 *****************************************************************************/
418 static int vout_Create ( vout_thread_t * );
419 static int vout_Init ( vout_thread_t * );
420 static void vout_End ( vout_thread_t * );
421 static void vout_Destroy ( vout_thread_t * );
422 static int vout_Manage ( vout_thread_t * );
423 static void vout_Display ( vout_thread_t *, picture_t * );
424 static void vout_Render ( vout_thread_t *, picture_t * );
426 static int BeosOpenDisplay ( vout_thread_t *p_vout );
427 static void BeosCloseDisplay( vout_thread_t *p_vout );
429 /*****************************************************************************
430 * Functions exported as capabilities. They are declared as static so that
431 * we don't pollute the namespace too much.
432 *****************************************************************************/
433 void _M( vout_getfunctions )( function_list_t * p_function_list )
435 p_function_list->functions.vout.pf_create = vout_Create;
436 p_function_list->functions.vout.pf_init = vout_Init;
437 p_function_list->functions.vout.pf_end = vout_End;
438 p_function_list->functions.vout.pf_destroy = vout_Destroy;
439 p_function_list->functions.vout.pf_manage = vout_Manage;
440 p_function_list->functions.vout.pf_display = vout_Display;
441 p_function_list->functions.vout.pf_render = vout_Render;
444 /*****************************************************************************
445 * vout_Create: allocates BeOS video thread output method
446 *****************************************************************************
447 * This function allocates and initializes a BeOS vout method.
448 *****************************************************************************/
449 int vout_Create( vout_thread_t *p_vout )
451 /* Allocate structure */
452 p_vout->p_sys = (vout_sys_t*) malloc( sizeof( vout_sys_t ) );
453 if( p_vout->p_sys == NULL )
455 intf_ErrMsg( "error: %s", strerror(ENOMEM) );
458 p_vout->p_sys->i_width = p_vout->render.i_width;
459 p_vout->p_sys->i_height = p_vout->render.i_height;
460 intf_Msg("Chroma of source: %d", p_vout->render.i_chroma);
465 /*****************************************************************************
466 * vout_Init: initialize BeOS video thread output method
467 *****************************************************************************/
468 int vout_Init( vout_thread_t *p_vout )
473 I_OUTPUTPICTURES = 0;
475 /* Open and initialize device */
476 if( BeosOpenDisplay( p_vout ) )
478 intf_ErrMsg("vout error: can't open display");
481 /* Set the buffers */
482 p_vout->p_sys->pp_buffer[0] = (u8*)p_vout->p_sys->p_window->bitmap[0]->Bits();
483 p_vout->p_sys->pp_buffer[1] = (u8*)p_vout->p_sys->p_window->bitmap[1]->Bits();
484 p_vout->p_sys->pp_buffer[2] = (u8*)p_vout->p_sys->p_window->bitmap[2]->Bits();
485 p_vout->output.i_width = p_vout->render.i_width;
486 p_vout->output.i_height = p_vout->render.i_height;
488 /* Assume we have square pixels */
489 p_vout->output.i_aspect = p_vout->p_sys->i_width
490 * VOUT_ASPECT_FACTOR / p_vout->p_sys->i_height;
491 p_vout->output.i_chroma = colspace[p_vout->p_sys->p_window->colspace_index].chroma;
492 p_vout->p_sys->i_index = 0;
494 p_vout->output.i_rmask = 0x00ff0000;
495 p_vout->output.i_gmask = 0x0000ff00;
496 p_vout->output.i_bmask = 0x000000ff;
498 for (int buffer_index = 0 ; buffer_index < 3; buffer_index++)
501 /* Find an empty picture slot */
502 for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
505 if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
507 p_pic = p_vout->p_picture + i_index;
516 p_pic->p->p_pixels = p_vout->p_sys->pp_buffer[0];
517 p_pic->p->i_lines = p_vout->p_sys->i_height;
519 p_pic->p->i_pixel_bytes = colspace[p_vout->p_sys->p_window->colspace_index].pixel_bytes;
520 p_pic->i_planes = colspace[p_vout->p_sys->p_window->colspace_index].planes;
521 p_pic->p->i_pitch = p_vout->p_sys->p_window->bitmap[0]->BytesPerRow();
523 if (p_vout->p_sys->p_window->mode == OVERLAY)
525 p_pic->p->i_visible_bytes = (p_vout->p_sys->p_window->bitmap[0]->Bounds().IntegerWidth()+1)
526 * p_pic->p->i_pixel_bytes;
527 p_pic->p->b_margin = 1;
528 p_pic->p->b_hidden = 0;
532 p_pic->p->b_margin = 0;
533 p_pic->p->i_visible_bytes = p_pic->p->i_pitch;
536 p_pic->i_status = DESTROYED_PICTURE;
537 p_pic->i_type = DIRECT_PICTURE;
539 PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
547 /*****************************************************************************
548 * vout_End: terminate BeOS video thread output method
549 *****************************************************************************/
550 void vout_End( vout_thread_t *p_vout )
552 BeosCloseDisplay( p_vout );
555 /*****************************************************************************
556 * vout_Destroy: destroy BeOS video thread output method
557 *****************************************************************************
558 * Terminate an output method created by DummyCreateOutputMethod
559 *****************************************************************************/
560 void vout_Destroy( vout_thread_t *p_vout )
562 free( p_vout->p_sys );
565 /*****************************************************************************
566 * vout_Manage: handle BeOS events
567 *****************************************************************************
568 * This function should be called regularly by video output thread. It manages
569 * console events. It returns a non null value on error.
570 *****************************************************************************/
571 int vout_Manage( vout_thread_t *p_vout )
577 /*****************************************************************************
578 * vout_Render: render previously calculated output
579 *****************************************************************************/
580 void vout_Render( vout_thread_t *p_vout, picture_t *p_pic )
585 /*****************************************************************************
586 * vout_Display: displays previously rendered output
587 *****************************************************************************
588 * This function send the currently rendered image to BeOS image, waits until
589 * it is displayed and switch the two rendering buffers, preparing next frame.
590 *****************************************************************************/
591 void vout_Display( vout_thread_t *p_vout, picture_t *p_pic )
593 VideoWindow * p_win = p_vout->p_sys->p_window;
595 /* draw buffer if required */
596 if (!p_win->teardownwindow)
598 p_win->drawBuffer(p_vout->p_sys->i_index);
601 p_vout->p_sys->i_index = ++p_vout->p_sys->i_index % 3;
602 // p_vout->p_sys->i_index = ++p_vout->p_sys->i_index & 1;
603 p_pic->p->p_pixels = p_vout->p_sys->pp_buffer[p_vout->p_sys->i_index];
606 /* following functions are local */
608 /*****************************************************************************
609 * BeosOpenDisplay: open and initialize BeOS device
610 *****************************************************************************/
611 static int BeosOpenDisplay( vout_thread_t *p_vout )
614 p_vout->p_sys->p_window = new VideoWindow( p_vout->p_sys->i_width - 1,
615 p_vout->p_sys->i_height - 1,
617 20 + p_vout->i_window_width -1,
618 50 + p_vout->i_window_height ));
620 if( p_vout->p_sys->p_window == NULL )
622 intf_ErrMsg( "error: cannot allocate memory for VideoWindow" );
629 /*****************************************************************************
630 * BeosDisplay: close and reset BeOS device
631 *****************************************************************************
632 * Returns all resources allocated by BeosOpenDisplay and restore the original
633 * state of the device.
634 *****************************************************************************/
635 static void BeosCloseDisplay( vout_thread_t *p_vout )
637 VideoWindow * p_win = p_vout->p_sys->p_window;
638 /* Destroy the video window */
639 if( p_win != NULL && !p_win->teardownwindow)
642 p_win->teardownwindow = true;